Home / 28,354.14-39,127.05-16,416.63

Finding the Fourth Proportional to 28,354.14, 39,127.05 and 16,416.63

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Solution

The fourth proportional to 28,354.14, 39,127.05 and 16,416.63 is: 22,653.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354.14 : 39,127.05 = 16,416.63 : x
  2. Step 2: Convert to fraction form
    28,354.14/39,127.05 = 16,416.63/x
  3. Step 3: Cross multiply
    28,354.14x = 39,127.05 × 16,416.63
  4. Step 4: Simplify right side
    28,354.14x = 642,334,302.84
  5. Step 5: Solve for x
    x = 642,334,302.84/28,354.14
  6. Step 6: Final answer
    x = 22,653.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.